Test: Chapter 15 (food And Agriculture)

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 Test: Chapter 15 (food And Agriculture)
Demonstrate knowledge on food and agriculture topics from chapter 15.

  
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Questions and Answers

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1.  Erosion is most likely when the soil is
A.
B.
C.
D.
2.  Goats, sheep, cattle and other _______________ are cud-chewing mammals with multi-chambered stomachs.
3.  Pest populations that damage plants
A.
B.
C.
D.
4.  One potential way to deal with the problem of seafood overharvesting is by intensifying ____________ efforts.
A.
B.
C.
D.
5.  Irrigation water usually comes from
A.
B.
C.
D.
6.  More energy, water and land are needed to produce a gram of ______________ than to produce a gram of food from plants.
7.  The accumulation of salts in the soil, which can be caused by irrigation and low rainfall, is called ____________________.
8.  Plowing with machines, irrigating with drip systems and _____________ are all modern agricultural methods.
A.
B.
C.
D.
9.  Which of the following actions contributes to soil erosion?
A.
B.
C.
D.
10.  Land on which crops can be grown is called ________________ land.
11.  The upper layer of topsoil consisting of rock particles, water, air and organic matter is the ________________.
12.  The health problem caused by not eating enough necessary nutirents is known as ________________.
13.  All of the following factors can cause famines except
A.
B.
C.
D.
14.  Farmland may become desertified if
A.
B.
C.
D.
15.  No-till farming helps to conserve soil fertility because
A.
B.
C.
D.
16.  Genetic engineering of food crops
A.
B.
C.
D.
17.  Which of the following agricultural products requires the least amount of energy?
A.
B.
C.
D.
18.  When a farmer uses no-till farming methods,
A.
B.
C.
D.
19.  The name for a widespread food shortage that results in many people not having enough food is called a(n) ________________.
20.  Earth's available arable land is being reduced by
A.
B.
C.
D.
21.  The amount of a crop produced per hectare (or acre) is called the ____________________.
22.  DDT is harmful to the environment because it
A.
B.
C.
D.
23.  The diets of people in developed countries tend to be higher in ________________ than diets of people in developing countries.
24.  Soil that can support the growth of healthy plants is called ____________.
25.  Land where it is possible to grow crops is called
A.
B.
C.
D.
26.  Which of the following is a good way to reduce salinization?
A.
B.
C.
D.
27.  The results of the green revolution were not entirely positive because
A.
B.
C.
D.
28.  A(n) _________________ is a prolonged period during which no rain falls in a particular region.
29.  A true statement about nutritional requirements in humans is that
A.
B.
C.
D.
30.  Which of the following farm practices have been used by farmers only in recent years?
A.
B.
C.
D.
31.  Products obtained from livestock  include
A.
B.
C.
D.
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